Stanley - Door Closer D-4550 HCS SN AL
Fully Hydraulic Checking
Controls the door through the entire opening and closing cycles by providing adjustable backcheck upon opening and adjusting general and latch speeds through the closing cycle.
Adjustable Spring Power
The D-4550/D-4551 Series Door Closers are designed to have the widest range of spring power adjustment available to meet the broadest range of application requirements.
Features:
- All Season Fluid
All season fluid eliminates the need for seasonal adjustment.Closing Power Adjustment
D-4550* – Size 2 – 6 with 50% spring power adjustment over size 6.
* Meets ADA 5lb opening force requirements on all applications except Pull-Side Regular Arm Mount.
- Forged Arms
Heavy duty forged arms are interchangeable between the D-4550 and D-3550 Series Door Closers.
- High Impact Cover
All D-4550 / D-4551 Series Door Closers are shipped with a high
impact self-extinguishing decorative cover.
- Latching Power Adjustment
The D-4550 / D-4551 Series Door Closers have the provision to adjust the leverage of the arms by changing the pivot position of the arm in the shoe. The shoe itself does not have to be removed from the door or jamb.
- Maintenance Free
Door Closers mounted in accordance with the provided installation instructions are maintenance free from periodic
inspection and adjustment.
- Non-Handed
Can be used on both RH and LH doors for both push side and
pull side mounting.
- Special High Silicon Aluminum Alloy Housing
All D-4550 / D-4551 Series Door Closers are constructed of
“STANLEY’S” R14 HIGH SILICON ALUMINUM ALLOY to exceed the ANSI/BHMA A156.4 Grade 1 requirements.